H1206511H12065: NOS Hydrographic Survey , Unimak Pass, Alaska, 2009-08-23 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -163.840391990737, W: -164.588491009881, N: 54.4800630009118, S: 54.1810909965088#footprint-164.588491009881,54.1810909965088 -163.840391990737,54.1810909965088 -163.840391990737,54.4800630009118 -164.588491009881,54.4800630009118 -164.588491009881,54.1810909965088